RBH - The 33 - 50th Anniversary 33" Active Subwoofer System (Single)
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RBH - The 33 - 50th Anniversary 33" Active Subwoofer System (Single)
The RBH The 33 is an uncompromising flagship active subwoofer system developed as part of RBH Sound’s 50th Anniversary Series. Built around a massive 33-inch carbon fiber driver and powered by a dedicated 12,000-watt external amplification platform, The 33 is engineered to deliver extreme low-frequency performance with the scale, authority, and physical impact expected from a true statement-level subwoofer. Designed and assembled in the United States, the system combines massive displacement capability with advanced DSP control to reproduce infrasonic bass frequencies with exceptional stability and control.
At the center of the design is RBH’s proprietary 33-inch gloss carbon fiber cone driver housed within a heavily reinforced HDF enclosure engineered for extreme structural rigidity. The subwoofer incorporates RBH’s Granular Acoustic Damping System (G.A.D.S.) technology to reduce unwanted resonance while maintaining clarity and composure during high-output playback. With approximately 50mm of linear Xmax and 150 mm of mechanical excursion capability, The 33 is capable of moving extraordinary volumes of air, producing bass that is not only heard but physically experienced within the listening environment.
Designed for dedicated luxury cinemas, reference listening rooms, and extreme-performance installations, The 33 combines configurable DSP control, variable crossover settings, and professional-grade XLR and AES connectivity for flexible integration into advanced systems. Its ability to reproduce frequencies down to 7Hz allows it to create true infrasonic effects with remarkable authority, bringing cinematic impact and large-scale musical dynamics into a category few subwoofer systems can approach.
FEATURES:
- Flagship 50th Anniversary active subwoofer system
- Massive 33" gloss carbon fiber cone driver
- Dedicated 12,000W external DSP amplifier system
- Designed for infrasonic bass reproduction down to 7Hz
- Granular Acoustic Damping System (G.A.D.S.) technology
- Heavy-duty HDF enclosure for extreme rigidity
- Approx. 50 mm linear Xmax for massive air displacement
- Approx. 150 mm mechanical excursion capability
- Produces physical low-frequency impact and room pressurization
- Variable crossover and phase adjustment controls
- XLR and AES professional audio connectivity
- Web-based DSP configuration and system management
- Designed for luxury cinema and reference audio systems
- Designed, engineered, and assembled in the USA
- 10-Year Limited Manufacturer's Warranty
SPECIFICATIONS:
| Model Name | The 33 |
| System Type | Ultimate Subwoofer System |
| Series | 50th Anniversary |
| Frequency Response | 7Hz-120Hz (±3dB) |
| Sensitivity | 92dB |
| Amplifier Power | 12,000W |
| Impedance | 2 ohms + 2 ohms |
| Crossover Slope | 6-48dB/Octave |
| Crossover Frequencies | Variable |
| Features | XLR and AES Inputs/Outputs, Variable Phase Control, Web Based DSP |
| Drivers | (1) 33" (838 mm) Carbon Fiber Cone |
| Enclosure | HDF |
| Finish | Satin Black or Satin White |
| Dimensions (H x W x D) | 39.19" x 60.00" x 29.00" (995 mm x 1524 mm x 737 mm) |
| Weight | 900 lbs (408.23 kg) |
| Warranty | 10 Year Limited Warranty, 3 Year Electronics Warranty |


